Unit 1 Topic 1-2021-2022九年级英语上册知识点精讲精练+ABCD每课作业（仁爱科普版）

Unit 1 The Changing World Topic 1 Our country has developed rapidly. 第一部分 知识点精讲精练 一、词汇拓展记忆 1．Africa_____________(形容词) 2．recent ____________ (副词) 3．communicate ______________ (名词) 4．rapidly _____________(形容词) 5．satisfy ____________(形容词) ★ be satisfied with对……感到满意 6．medicine _______________(adj.医学的) 7．succeed ___________ __________ ___________(名词—形容词—副词) ★succeed in doing sth.成功地做某事 8．please _____________(形容词) ★ be pleased with对……感到高兴 9．shut _________ ________ _________(现在分词—过去式—过去分词) 10．hide_________ __________(过去式—过去分词) 答案： 1. American 2.recently 3.communication 4.rapid 5. satisfied 6.medical 7.success, successful, successfully 8.pleased 9.shutting, shut, shut 10.hide, hidden 二、重点词组短语 1．发生，进行take place 2．照相take photos 3．顺便说一下by the way 4．好久不见long time no see 5．在20世纪60年代in the 1960s 6．接受良好的教育receive a good education 7．改革开放 reform and opening-up 8．跟……保持联系keep in touch with 9．成功地做某事succeed in doing sth. 10．取得进步make progress 11．扮演重要角色 play an important part in 12．在过去 in the past 13．玩捉迷藏play hide-and-seek 14．打牌play cards 15．下象棋play chess 16．户外in the open air 三、知识点解析 1．I have been to Mount Huang with my parents.我和父母去过黄山。 She has gone to Cuba to be a volunteer and she will be back tomorrow.她去古巴做自愿者，她明天将回来。 have been to去过……，have/has gone to 去……了 Have you ever been to an amusement park？你曾经去过游乐园吗？ —Where is Jim？——吉姆在哪儿？ —He has gone to the library.——他去图书馆了。 have been to 示“曾经去过某地”，常与just，ever，never连用；后可接次数，如once，twice，three times等 have gone to 意为“去了某地”，表示到了某地或正在去某地的途中，总之说话时该人不在现场，一般不用第一 have been in 表示“在某地待多长时间”，常与表示一段时间的状语连用。 【即学即练】1 ① Sanya is a beautiful city. I ________there twice. A．have gone B．have been C．have gone to D．have been to ② —Could I speak to Linda? —Sorry，she isn’t in. She ________ to the school library. A．has been B．has gone C．is going D．goes ③ 他们已经在上海待了两周了。 They ______ _____ _____ Shanghai for two weeks. 答案：① B ② B ③ have been in 2．Great changes have taken place there and my hometown has becom